added music and sounds

alienSignal.go

@@ -9,6 +9,8 @@ func main() {
     sdl.Init(sdl.INIT_EVERYTHING)
     defer sdl.Quit()
 
+    playMusic()
+
 	var windowFlags uint32 = uint32(sdl.WINDOW_SHOWN) | uint32(sdl.WINDOW_FULLSCREEN_DESKTOP)
     window, _ := sdl.CreateWindow("AlienSignal", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, 0, 0, windowFlags)
     windowSizeX, windowSizeY := window.GetSize()
@@ -27,35 +29,45 @@ func main() {
             case 1:
                 interludePre1(renderer)
                 level1(renderer)
+                playSfx("success")
             case 2:
                 interludePre2(renderer)
                 level2(renderer)
+                playSfx("success")
             case 3:
                 interludePre3(renderer)
+                playSfx("success")
                 level3(renderer)
             case 4:
                 interludePre4(renderer)
                 level4(renderer)
+                playSfx("success")
             case 5:
                 interludePre5(renderer)
                 level5(renderer)
+                playSfx("success")
             case 6:
                 interludePre6(renderer)
                 level6(renderer)
+                playSfx("MacStartUp")
                 interludePost6(renderer)
             case 7:
                 interludePre7(renderer)
                 level7(renderer)
+                playSfx("success")
             case 8:
                 interludePre8(renderer)
                 level8(renderer)
+                playSfx("success")
             case 9:
                 interludePre9(renderer)
                 level9(renderer)
+                playSfx("success")
             case 10:
                 interludePre10(renderer)
                 level10(renderer)
-                interludePost10()
+                playSfx("MacStartUp")
+                interludePost10(renderer)
             default:
                 gameState = 0
             }

assets/LICENSE

@@ -0,0 +1,3 @@
+"MacStarupSound" by Apple INC is licensed under Creative Commons Attribution-NoDerivs 2.0 UK: England & Wales (https://creativecommons.org/licenses/by-nd/2.0/uk/)
+"Showers" by Podington Bear is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.(https://creativecommons.org/licenses/by-nc/3.0/)
+"Success" is in Public Domain

audio.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+    "github.com/veandco/go-sdl2/sdl"
+    "github.com/veandco/go-sdl2/mix"
+)
+
+
+func init() {
+}
+
+func playMusic() {
+
+    mix.OpenAudio(44100, mix.DEFAULT_FORMAT, 2, 4096)
+    music, _ := mix.LoadWAV("./assets/Podington_Bear_-_Showers.wav")
+    music.Play(1, 10000000)
+
+}
+
+func playSfx(filename string) {
+    sfx, _ := mix.LoadWAV("./assets/" + filename + ".wav")
+    for i := 0; i < 80 ; i++ {
+        mix.Volume(1, 128 - i)
+        sdl.Delay(7)
+    }
+    sfx.Play(-1, 0)
+    go func(){sdl.Delay(2000); for i := 0; i < 80 ; i++ {mix.Volume(1, 128 - 80 + i); sdl.Delay(7)}}()
+}

interludePost10.go

@@ -5,7 +5,7 @@ import (
 )
 
 
-func interludePre10(renderer *sdl.Renderer) {
+func interludePost10(renderer *sdl.Renderer) {
     defer ResetHandlers()
 
     renderer.SetDrawColor(158, 158, 255, 255)